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Finding the Fourth Proportional to 62,281.28, 93,411.87 and 17,897.90

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Solution

The fourth proportional to 62,281.28, 93,411.87 and 17,897.90 is: 26,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,281.28 : 93,411.87 = 17,897.90 : x
  2. Step 2: Convert to fraction form
    62,281.28/93,411.87 = 17,897.90/x
  3. Step 3: Cross multiply
    62,281.28x = 93,411.87 × 17,897.90
  4. Step 4: Simplify right side
    62,281.28x = 1,671,876,308.07
  5. Step 5: Solve for x
    x = 1,671,876,308.07/62,281.28
  6. Step 6: Final answer
    x = 26,843.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.